Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310800 | Thermoplastic elastomer | Shizuo Shimizu, Akira Uchiyama, Kunihide Hiraoka, Katsuo Okamoto | 1994-05-10 |
| 5300581 | Process for producing thermoplastic elastomer | Katsuo Okamoto, Mamoru Kioka, Takashi Ueda | 1994-04-05 |